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Census 2020 Designated Places
The 2020 decennial census designated places within Fairfax County. This data was acquired from the US Census Bureau, with fields slightly customized by Fairfax County Department... -
Market Sale Ratio
Residential market value estimates and most recent sales values for owned properties at a parcel level within Fairfax County as of the VALID_TO date in the attribute table. For... -
Middle School AAP Attendance Areas
Boundaries of attendance areas for middle school Advanced Academic Program (AAP). It depicts all of the AAP middle school attendance areas for Fairfax County Public... -
Comprehensive Plan - Base Recommendation
Planned land use at the baseline level. Refer to the Comprehensive Plan text for interpretation and for options above the baseline level. This layer has been updated to include... -
Census 2010 Blockgroup
2010 census blockgroups within Fairfax County. This data was acquired from the US Census Bureau. -
Human Services Offices
Human services offices within Fairfax County. “HS_Region” is the office for each human services region, “DFS_Area” is the offices for the Department of Family Services Areas;... -
Supervisor Districts
Fairfax County Supervisor (Magisterial) Districts. -
Watersheds
Watersheds within Fairfax County. There are 30 watersheds delineated across Fairfax County. -
Non-County Parks
Park land within Fairfax County not maintained by Fairfax County Park Authority. These parks are owned and operated by regional, state, and federal entities. -
Marumsco Soils
Marumsco soils in Fairfax County. Marumsco soils are mapped in complexes with other soil types. The complexes are highly variable and consist of combinations of clays, silts,... -
Police Stations
The locations of the police stations within Fairfax County. -
Data Inventory
List and description of datasets available on Open Data for Fairfax County, Virginia -
Comprehensive Plan Land Units
This feature class represents the smallest geographic unit located in development centers as defined by the Fairfax County Comprehensive Plan. The Comprehensive Plan text refers... -
Polling Places
Voting locations for precincts within Fairfax County. Some features are the voting locations for 2 precincts and are identified in the attributes by having a value in the... -
Forecast Population
30-year population forecasts at a parcel level within Fairfax County developed on the VALID_TO date in the attribute table. For methodology and a data dictionary please view the... -
Potential Asbestos Containing Soils
Potential asbestos containing soils in Fairfax County. These soils are mapped over naturally asbestos-containing bedrock. Safety precautions must be taken during construction.... -
Historic Zoning Overlay Districts
Historic overlay districts in Fairfax County. Historic overlay districts (HODs) are bounded areas created by the Board of Supervisors. Inside an HOD certain regulations on... -
Current Households
Current households at a parcel level within Fairfax County as of the VALID_TO date in the attribute table. For methodology and a data dictionary please view the IPLS data... -
Previously Mapped Marine Clay
These areas were mapped as marine clays in previous surveys. Marine clays are high shrink-swell soils that can cause foundation distress. They are sometimes referred to as...
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